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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Coliform and microbial samples

MS0250001 , Town of Bolton

14 of 482 results on record were positive for coliform or another organism the agency tests for. The most recent was August 28, 2018.

They fall across 11 of the 387 samples on record.

Every sample on record, October 27, 2003 to July 14, 2026. These figures cover the whole record; the list of samples further down is narrowed.

This system’s violations

The most recent samples

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The list below shows 16–22 of 22 samples in this date range, newest first.

Routine (7).

Coliform and microbial sample results for Town of Bolton, 16 to 22 of 22 samples shown, newest first. A result is a presence-or-absence verdict and carries no measured amount.
Result Organism
Collected
Apr 23, 2025 13:58
Sampling point
TC0005 Outside Faucet
Sample type
Routine
Lab sample
BACT-240523-23522
Laboratory
MSDH Lab
Monitoring period
Apr 1, 2025 – Apr 30, 2025
Absence , sample collected Apr 23, 2025 13:58, sampling point TC0005 Coliform (TCR)
Absence , sample collected Apr 23, 2025 13:58, sampling point TC0005 E. Coli
Collected
Mar 26, 2025 12:15
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-210922-39502
Laboratory
MSDH Lab
Monitoring period
Mar 1, 2025 – Mar 31, 2025
Absence , sample collected Mar 26, 2025 12:15, sampling point TC0002 Coliform (TCR)
Absence , sample collected Mar 26, 2025 12:15, sampling point TC0002 E. Coli
Collected
Feb 19, 2025 13:16
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-210922-39501
Laboratory
MSDH Lab
Monitoring period
Feb 1, 2025 – Feb 28, 2025
Absence , sample collected Feb 19, 2025 13:16, sampling point TC0003 Coliform (TCR)
Absence , sample collected Feb 19, 2025 13:16, sampling point TC0003 E. Coli
Collected
Jan 28, 2025 14:01
Sampling point
TC0002 Outside Faucet
Sample type
Routine
Lab sample
BACT-210922-39500
Laboratory
MSDH Lab
Monitoring period
Jan 1, 2025 – Jan 31, 2025
Absence , sample collected Jan 28, 2025 14:01, sampling point TC0002 Coliform (TCR)
Absence , sample collected Jan 28, 2025 14:01, sampling point TC0002 E. Coli
Collected
Dec 17, 2024 12:16
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-210922-39499
Laboratory
MSDH Lab
Monitoring period
Dec 1, 2024 – Dec 31, 2024
Absence , sample collected Dec 17, 2024 12:16, sampling point TC0003 Coliform (TCR)
Absence , sample collected Dec 17, 2024 12:16, sampling point TC0003 E. Coli
Collected
Nov 20, 2024 14:10
Sampling point
TC0001 Outside Faucet
Sample type
Routine
Lab sample
BACT-210922-39497
Laboratory
MSDH Lab
Monitoring period
Nov 1, 2024 – Nov 30, 2024
Absence , sample collected Nov 20, 2024 14:10, sampling point TC0001 Coliform (TCR)
Absence , sample collected Nov 20, 2024 14:10, sampling point TC0001 E. Coli
Collected
Oct 28, 2024 15:26
Sampling point
TC0003 Outside Faucet
Sample type
Routine
Lab sample
BACT-210922-39496
Laboratory
MSDH Lab
Monitoring period
Oct 1, 2024 – Oct 31, 2024
Absence , sample collected Oct 28, 2024 15:26, sampling point TC0003 Coliform (TCR)
Absence , sample collected Oct 28, 2024 15:26, sampling point TC0003 E. Coli